The 20 Best Crohn's Disease Doctors Near Me in Dubuque, IA
Find the Top Crohn's Disease Experts and Specialists
MercyOne Dubuque Medical Center
Katherine Parker is a primary care provider, practicing in Internal Medicine in Dubuque, Iowa. Dr. Parker is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. She is also highly rated in 21 other conditions, according to our data. Her clinical expertise encompasses COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Crohn's Disease, Bone Graft, and Vertebroplasty. Dr. Parker is board certified in Internal Medicine, American Board Of Internal Medicine. Dr. Parker is currently accepting new patients.
Medical Associates Clinic - West
Kari Ernst is a Nurse Practitioner specialist and a Gastroenterologist practicing medicine in Dubuque, Iowa. Ernst, NP is rated as an Advanced provider by MediFind in the treatment of Crohn's Disease. She is also highly rated in 29 other conditions, according to our data. Her clinical expertise encompasses Gastric Dysmotility, Crohn's Disease, Collagenous Colitis, and Lymphocytic Colitis. Ernst, NP is board certified in American Academy Of Nurse Practitioners. Ernst, NP is currently accepting new patients.
Medical Associates Clinic - E.
Chadwick Nachtman is a primary care provider, practicing in Family Medicine in Dubuque, Iowa. Dr. Nachtman is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and High Cholesterol. Dr. Nachtman is board certified in Family Medicine, American Board Of Family Medicine. Dr. Nachtman is currently accepting new patients.
Mercyone Dubuque Medical Center
Rami El Abiad is a Gastroenterologist practicing medicine in Dubuque, Iowa. Dr. El Abiad is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. He is also highly rated in 13 other conditions, according to our data. His clinical expertise encompasses Achalasia, Lower Esophageal Ring, Benign Esophageal Stricture, Endoscopy, and Gastrectomy. Dr. El Abiad is currently accepting new patients.
Mercyone Dubuque Medical Center
Yakov Zagalskiy is a primary care provider, practicing in Family Medicine in Dubuque, Iowa. Dr. Zagalskiy is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. He is also highly rated in 36 other conditions, according to our data. His clinical expertise encompasses Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Pneumonia, Iridectomy, and Vertebroplasty. Dr. Zagalskiy is currently accepting new patients.
Office
Randall Lengeling is a Gastroenterologist practicing medicine in Dubuque, Iowa. Dr. Lengeling is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Familial Adenomatous Polyposis, Esophagitis, Cronkhite-Canada Disease, Gastrectomy, and Colonoscopy. Dr. Lengeling is currently accepting new patients.
Office
Ian Koontz is a primary care provider, practicing in Internal Medicine in Dubuque, Iowa. Dr. Koontz is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. His clinical expertise encompasses Collagenous Colitis, Painful Swallowing, Swallowing Difficulty, and Juvenile Polyposis Syndrome.
Tri-State Surgery Center LLC
Brian Covey is a Gastroenterologist practicing medicine in Dubuque, Iowa. Dr. Covey is rated as an Experienced provider by MediFind in the treatment of Crohn's Disease. He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Chronic Erosive Gastritis, Gastritis, Benign Esophageal Stricture, Gastrectomy, and Colonoscopy. Dr. Covey is currently accepting new patients.
Last Updated: 11/08/2026


